Hoeseshoe nail blanks



` 3 Sheets-Sheet 1. J. B. WILLS.

(No Model.)

Patented Oct. 23, 1883.

Enns. Pn x 3 Sheets-Sheet 2.

(No Model.)

J. B. WILLS. MAGHINE POR PIVNISHING HoRsEsHoE NAIL BLANES.

Patented Oct. 23, 1883.

3 Sheets-Sheet 3.

(No Model.)

J. B. WILLS. MACHINEl FOR FINISHING HURSESHOE NAIL BLANKS.

Patented Oct. 23, 1883.

e; el e,"

Nv PETERS. FlmxwLilhngmpher. wmuwmn. |10v that class of machines fornishing nail-blanks,

head, as will be described.

AUNITED STATES PATENT Ormea..

JOHN BOMAN VILLS, OF KEESEVILLE, NEV YORK.

MACHINE FOR F-INISHING HORSESHOE-NAIL BLANK'S.v

SPECIFICATION forming part of Letters Patent No. 287,206, dated Qctober23, 1883. Application filed May 12, 1883. (No model.) Patented in SwedenJune 24, 1883, No. 5,834.

To all whom it may concern:

Be it known that I, JOHNB. VVILLs, of Keeseville, county of Essex, Stateof New York, have invented an Improvement in Machines for FinishingAnimal-Shoe-Nail Blanks, of which the following description, inconnection with the accompanying drawings, is a specification, likeletters on the drawings representing like parts.

This invention relates to improvements in wherein the blanks to beoperated upon are carried by an intermittingly-operated chain, and arepresented to dies to be drawn or elonv gated cold and beveled, and thensheared, the:

improvements having special reference to the machine for which LettersPatent No. 250, 863

were granted to me the 13th of December, 1881. a

My invention consists in improvements in the carrying-chain, inmechanism for cold' drawing or elongating the blanks, and for curvingthe same, and in mechanism for discharging the nail from thecarrying-chain In accordance with the first part of my invention, thelinks of the carrying-chain have secured to them detachable nail-holdingplates having laterally-projecting cars provided with recesses orpockets beveled internally to receive the shank and beveled heads of thenailblank, the said ears being also beveled at their outer faces, aswill be described, to allow the drawing-roller to strike theblank closeto its The nail-blank having been rolled,` beveled, and sheared, it mustbe discharged so another part of this invention consists in thecombination, with a carrying-chain, of a `discharging device to strikethe points of the nails and drive them from the pockets in the ears ofthe plates of the carrying-chain. To enable the fiber of the metal atthe opposite faces of the nailblank being rolled, and thus drawn orelono gated, to be kept in a more uniform condition,

and also to enable any desired curve to be the are of a circle, and atthe same time thel said die-block is made-movable horizontally towardand fromthe rollendie, to ,permit the bodying my invention; Fig. 2,asection of Fig. l on the dotted line x x; Fig. 3, a side view of themachine, looking at it in the direction of the arrow, Fig. 1, with thecam d" removed. Fig. 4 is a side elevation of one of the links of thecarrying-chain, with the attached nail-holding plate. Fig. 5 is asection of Fig. 4 on the line x2. Fig. 6 is a top view or plan view ofFig. 4. Fig. 7 represents a nail-blank curved as it may be by the rollerand bed-die, to be described. Fig. 8 is a view of thesupporting-block E,t0 be described 5 and Fig. 9, separate View of the nail-holding plate.

The main shaft A, driven, by a belt (not shown) on usual frictionclutch-pulleys, A A2, has its bearings A3 of the frame Ai. This vshaft Ahas a cam, B, (see Figs. 1 and 3,)

which acts upon a roll, B, of an arm, B2, of and turns the rock-shaftB3, (see Fig. 2,) having its bearings at B*, and provided at its upperside with a cap-piece, B5.

The upper side of the rock-shaft B3 is concavedfand the under side ofthe cap also concaved, to receive the round end 2 of the yoke C, to thefront end of which is attached the cap C', having ears to receive thepin3, which serves as the axis of the die-roller C2. The rocking of shaftB3 moves the yoke and dieroller backward and forward longitudinally.

The arm B2 acts against a second arm `D of a rock-shaft, D', having acam-tappet, D2, (see Fig. 2,) which bears against the rear side of theblock-carrier D3, forked at its lower end to fita reduced part of thebracket D5, the said carrier being attached to the said bracket by thepin 4. This carrier at its front side, near its upper end, is providedwith a removable steel supporting-block, E, (see Fig. 8,) having a part,6, of its face beveled more or less, according to the curve it isdesired to give the body of the nail. The rear side of the blockcarrierD, near theupper end of the latter, is

shouldered or cut away, as at 7, to permit the` IOO said carrier to fallback in the direction of the arrow 9 under the action of the spring F,when the tappet D is turned in the direction of the Y lin the rock-shaftB2, so that the cap C' and its roller C2 are caused to move up and downsufficiently to cause the roller-die C2 to travel from end to end of thebody of the nail, or from end to end of the die H, opposed to saidroller-die.

The yoke, or, rather, the cap G, has a link, H2, pivoted to it at 10,and joined at its lower end by pin I2 with the die-operating lever L,having its fnlcrum-pin I2 adjustable in a slot, I2, of a hanger, I4, ofthe frame A.

The lever I has pivoted upon it a link, L, having at its upper end abolt or pin, ,which is extended loosely through a hole in the dieblockL2, having the stud-die H, against which rests the back of thenail-blank,while the dieroller C2 rolls over the face of the nail. Thispin chas aroller, b,which bears on or against and rolls over the block Eas the yoke is raised and lowered. The toe 22 of the die-block L2 bearson a rest,13, (herein shown as a roller,) to avoid friction, and thesaid toe is kept in contact with the said rest, which serves as afulcrum for the die-block, by means of the spring F, one end of which ishooked to engage the said toe. This hook is not needed when thedie-roller is descending, as the pressurc exerted on the die-block atthat time isy sufficient to force it strongly against the said rest.

In the operation of rolling a blank from near its head to its point, thethickness of the block will be determined by the shape of the face ofthe die H, and the curve of the body of the block will be more or less,according to the l shape ofthe block E and the position of the full Vhenthe die-roller C2 Y crum I2 ofthe lever I. descends to act upon anail-blank, lever I, link L, and pin Va are also drawn down, and duringsuch movement the dieblock L2 is turned in the direction of the arrow16, Fig. 2, 'causing the face of the die H to hold the said nail-blankclosely against the roller-die C2, which then moves only in the arc of acircle, the yoke Gand l roller-die `C2 being then held forward by thecam B acting on the arm B2. The face of the l die H is in substantiallythe are of a circle, it varying from a true circle only to provide forthe taper of the nail, the die being yof greatest radius at its lowerend. The curve in the body v of the nail depends upon the position ofthel pin a Vand the face of the die H with relation to the path ofmovementof the roller-'die G2. The higher the pin a when the saidroller-die strikes the blanks the less the curve in the blanks, andconsequently by adjusting the fulcrum I2 of the lever I and changing theblock E the body of the nail-blank may be given any desired curve.

The carrying-chain is composed of links c, provided with ears c', havingholes c2, to receive pins or bolts c4, the ears of adjacent links beingthereby tted together to form joints, as usual. Each link is grooved atits top transversely, as at o2, to form a ratchet-tooth, which may beengaged by the pawl d, pivoted on the reciprocating pawl carrier d',having its shank guided in the guide-box d2. The head of thepawl-carrier is provided with a roller, aF, which is struck by the camd4, fast on the shaft A, the said pawl-carrier being normally held bythe spring d5 with the roller d2 against the said cam. The pawl movesthe chain the distance of one link at each forward thrust, so as toproperly place in succession eachblank between the dies or devices tooperate upon them. Each link has a nail-holding plate, e, attached to itby a screw, e', and each plate is provided with a projection, e2, inwhich is made a pocket (shown clearly in the drawings) beveled at itsinner side, to properly receive the head of the blank, the projection e2holding the blank in position while being operated upon by the dies. Thewalls ofthe said projection bear against and guard each of the foursides of the head of the blank 'and nail, so that the same, once droppedinto the pocket in the projection, cannot be removed exceptby liftin gthe nailvertically therefrom, which is done at theproper t1' me by thedischarging device f, (shown as a plate faced with rawhide, leather, orother material which will not bruise the point of the nail,) the saidplate being carried by a lever, f pivoted at f 2, and having Yone end, f2, extended back of the said pivot, to be acted upon by a cam (notshown) on the shaft A. This discharging device is so pivoted withrelation to the bottom ofthe chain that the nails struck by thedischarger will be 'knocked up through and from the top of the pocketand so as to fall outside ofthe chain.

In all other endless carrying devices known te me the heads 'of theblanks and nails have been held by the carrying device only at their`rear sides and side edges, a device not connected with or forming partof the chain being depended upon to retain the blanks or nails in thenotches of the carrying device when being carried 'to and while beingacted upon by the dies; but in this invention the proj ection e2surrounds the heads Ior blanks of the nails, `and no other device orpiece is required to retain or hold them while being presented to thedies.

The chain is extended over flanged sheaves g y', and between the saidsheaves are chain-rests g2. The die-'stock M receives through it aneccentr-ic, M', 011 the shaft A, and the tail of the die-stock isextended through anopening in a box,lM2, mounted loosely on theshaftB,and having a-cover or cap, M2, the said box oscillating as thetail of the die-stock is reciprocated through it. The die-stock carriesa beveling-roller, on,

IOO

IIO

1o The die-stock M also carries one part, a, of

the shearing-dies, the other part, made as aC punch and marked n, beingattached to the frame-work.

A spring, a2, the lower end of which is attached to the frame-work, isinterposed between the side of the die m and the punch a', to preventthe blank from striking` against the side ofthe said punch as the blankis being placed by the carrier or chain. between the shearing-die andpunch.

The blank acted upon by the die-roll C2 may be left curved, as in Fig.7, or more or less curved, by simply adjusting the lever I and changingthe shape of the supporting-block E. The shipper-lever is marked o.

By making the block-holding projection e2 act upon all sides ofthe head,the machine is simpliiied and made more positive in operation and as ameans for accurately presenting the blanks to the several dies.

I claim- 1. The carryingchain composed of links and nail-holding platesprovided with projections having pockets to receive and retain the headsof the nail-blanks, fitting upon all /sides of the same, combined with-means to hold the said chain, substantially as` described.

2. The sheaves g g', and carrying-chain having plates provided withprojections and pockets to receive and hold the heads ofthe blanks onall sides, as described, and means to move the said carrying-chain,combined with a discharging device to act upon the points of anddischarge the finished nails upward out from 45 the said pockets,substantially as described.

3. lThe sheaves g g', and carrying-chain hav- 257,206 j j s ing platesprovided with projections having pockets to receive the heads oi' the-blanks and inclose them on all sides, combined with the die-roller,means to move` it, and the die H 5o vand die-block, the projectionsaloneholding the heads of the blanks while the die-roller is made to travelover the shanks of the said blanks, substantially as described.

4. lThe die H, the die-block L2, provided with the toe, and the rest orsupport for the end of the die-block, andthe movable pivot 'c ofthedie-block, combined with the die-roll and with means to move the saiddie-roll and the said pivot, in orderthat the'die-block may rock whilethe die-roll is being moved, substantially as described. l

5. The die-block, its 4pivot a, and lever I, and means to adjust thesaid lever to place the said`pivot in a normally higher or lower posi- 6tion, combined with the supporting-block E and block-carrier D3, tooperate substantially as described.

6, Theblock-carrier D3, its beveled supporting-block E, the lever I, thelinks L and H2, the die-roller, the cap O, andmeans to move the said capand die-roller, and the die H and the die-block IF, pivotedupon the linkL at a, and the rest for the other end of the die-block, combinedv withmeans to act up on and hold the block-carrier while the die-roller isdescending in contact with the blank then resting against the die H,substantially as described.

7. The die-block provided with the toe l2, and pivoted at a, the link L,and means to move it to slide and turn the die-block upon the said rest,combined with a spring to act upon the die-block and maintain it on-thesaid rest, substantially-'as described.

In testimony whereof Iliave signed my name 8 5 to this specificati on inthe presence of two subscribing witnesses.

JOHN BoMAN WILLs.

